/Engine/Source/Runtime/Landscape/Public/LandscapeRender.h
Reference counted vertex and index buffer shared among all landscape scene proxies of the same component size Key is the component size and number of subsections. Also being reused by GPULightmass currently to save mem
static [TMap](API\Runtime\Core\Containers\TMap)< uint32, [FLandscapeSharedBuffers](API\Runtime\Landscape\FLandscapeSharedBuffers) * > SharedBuffersMap;